CXA2542AQ

CXA2542AQ RF Signal Processing Servo Amplifier for CD Player Description The CXA2542AQ is a bipolar IC developed for CD player RF signal processing and servo control. Features Automatic focus bias adjustment circuit Automatic tracking balance and gain adjustment circuits RF level control circuit Interruption countermeasure circuit Anti-shock circuit Defect detection and prevention circuits RF I-V amplifier, RF amplifier APC circuit Focus and tracking error amplifier Focus, tracking and sled servo control circuits Focus OK circuit Mirror detection circuit Single power supply and dual power supplies Applications CD players Structure Bipolar silicon monolithic IC 48 pin QFP (Plastic) Absolute Maximum Ratings (Ta = 25°C) Supply voltage VCC 12 V Operating temperature Topr –20 to +75 °C Storage temperature Tstg –65 to +150 °C Allowable power dissipation PD 1400 mW Recommended Operating Conditions Operating supply voltage VCC – VEE 3.0 to 3.6 V 4.5 to 5.5 V Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. –1– E97920-PS CXA2542AQ Block Diagram RF_M RFTC RF_O RF_I 36 35 34 33 VCC 32 31 30 29 28 27 ...